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BOSTON MARATHON 2023

Brendan Coughlan

Bib: 30515•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:58/mi
27:53
↑ 97↓ 3451.5%
10K· 6.21 mi
9:05/mi
56:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:24:57
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:55:59
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:02:38
↑ 19↓ 370.5%
25K· 15.53 mi
9:56/mi
2:26:44
↑ 66↓ 880.2%
30K· 18.64 mi
10:04/mi
2:57:59
↑ 181↓ 1480.2%
20M
10:19/mi
3:12:00
↑ 64↓ 500.2%
21M
10:09/mi
3:22:09
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:29:52
↑ 17↓ 861.7%
23M
10:41/mi
3:43:15
↑ 23↓ 630.6%
24M
8:34/mi
3:51:49
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:59:46
↓ 200.3%
25.2M
9:14/mi
4:02:57
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
4:11:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:38
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:08:39
Pace9:49 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1727:538:5827:53
8:58
-
10K
6.21 mi12:14:3056:069:0228:13
9:05
+0:07
15K
9.32 mi12:43:211:24:579:0728:51
9:17
+0:12
20K
12.43 mi13:14:231:55:599:2031:02
9:59
+0:42
Half
13.11 mi13:21:022:02:389:216:39
9:45
-0:14
25K
15.53 mi13:45:082:26:449:2724:06
9:56
+0:11
30K
18.64 mi14:16:232:57:599:3331:15
10:04
+0:08
20M
20.00 mi14:30:243:12:009:3614:01
10:19
+0:15
21M
21.00 mi14:40:333:22:099:3810:09
10:09
-0:10
35K
21.75 mi14:48:163:29:529:397:43
10:19
+0:10
23M
23.00 mi15:01:393:43:159:4213:23
10:41
+0:22
24M
24.00 mi15:10:133:51:499:408:34
8:34
-2:07
40K
24.85 mi15:18:103:59:469:397:57
9:18
+0:44
25.2M
25.20 mi15:21:214:02:579:383:11
9:14
-0:04
Finish
26.22 mi15:29:414:11:179:358:20
8:11
-1:03

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:11 /mi

Average Pace

9:35 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:59

45% of race

Time at Steady Pace

1:33:02

37% of race

Time at Slower Pace

45:16

18% of race

Average Pace: 9:35 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:46:1727:538:5827:53
8:58
#20326
10K
6.21 mi12:14:3056:069:0228:13
9:05
#20756
15K
9.32 mi12:43:211:24:579:0728:51
9:17
#21086
20K
12.43 mi13:14:231:55:599:2031:02
9:59
#21616
Half
13.11 mi13:21:022:02:389:216:39
9:45
#21683
25K
15.53 mi13:45:082:26:449:2724:06
9:56
#21713
30K
18.64 mi14:16:232:57:599:3331:15
10:04
#21613
20M
20.00 mi14:30:243:12:009:3614:01
10:19
#21588
21M
21.00 mi14:40:333:22:099:3810:09
10:09
#21424
35K
21.75 mi14:48:163:29:529:397:43
10:19
#21457
23M
23.00 mi15:01:393:43:159:4213:23
10:41
#21467
24M
24.00 mi15:10:133:51:499:408:34
8:34
#21239
40K
24.85 mi15:18:103:59:469:397:57
9:18
#21105
25.2M
25.20 mi15:21:214:02:579:383:11
9:14
#21016
Finish
26.22 mi15:29:414:11:179:358:20
8:11
#20799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20326122961229621587(Top 81%)13015(Top 86%)13015(Top 246%)
10K6.21 mi3.10 mi20756-43012562-26612562-26621196(Top 80%)12792(Top 84%)12792(Top 242%)
15K9.32 mi3.11 mi21086-33012730-16812730-16821587(Top 81%)13015(Top 86%)13015(Top 246%)
20K12.43 mi3.11 mi21616-53012975-24512975-24522875(Top 86%)13559(Top 89%)13559(Top 257%)
Half13.11 mi0.68 mi21683-6713009-3413009-3422735(Top 85%)13505(Top 89%)13505(Top 256%)
25K15.53 mi2.42 mi21713-3013029-2013029-2022079(Top 83%)13176(Top 87%)13176(Top 249%)
30K18.64 mi3.11 mi21613+10012971+5812971+5821177(Top 80%)12710(Top 84%)12710(Top 240%)
20M20.00 mi1.36 mi21588+2512953+1812953+1821296(Top 80%)12697(Top 84%)12697(Top 240%)
21M21.00 mi1.00 mi21424+16412866+8712866+8718542(Top 70%)11450(Top 75%)11450(Top 217%)
35K21.75 mi0.75 mi21457-3312872-612872-622011(Top 83%)12927(Top 85%)12927(Top 245%)
23M23.00 mi1.25 mi21467-1012862+1012862+1021726(Top 82%)12783(Top 84%)12783(Top 242%)
24M24.00 mi1.00 mi21239+22812744+11812744+11814862(Top 56%)9703(Top 64%)9703(Top 184%)
40K24.85 mi0.85 mi21105+13412672+7212672+7217514(Top 66%)10812(Top 71%)10812(Top 205%)
25.2M25.20 mi0.35 mi21016+8912621+5112621+5113803(Top 52%)9171(Top 60%)9171(Top 174%)
Finish26.22 mi1.02 mi20799+21712521+10012521+10013281(Top 50%)8926(Top 59%)8926(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21587

Males

13015

M18-39

13015

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21196

Males

12792

M18-39

12792

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21587

Males

13015

M18-39

13015

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22875

Males

13559

M18-39

13559

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22735

Males

13505

M18-39

13505

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22079

Males

13176

M18-39

13176

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21177

Males

12710

M18-39

12710

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21296

Males

12697

M18-39

12697

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18542

Males

11450

M18-39

11450

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22011

Males

12927

M18-39

12927

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21726

Males

12783

M18-39

12783

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14862

Males

9703

M18-39

9703

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17514

Males

10812

M18-39

10812

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13803

Males

9171

M18-39

9171

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13281

Males

8926

M18-39

8926

Passing Analysis

Category:
Athletes Passed
1480
Passed By
1953
Net Change
-473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20326
5K → 10K118548-430#20326#20756
10K → 15K62392-330#20756#21086
15K → 20K28558-530#21086#21616
20K → Half1077-67#21616#21683
Half → 25K93123-30#21683#21713
25K → 30K18888+100#21713#21613
30K → 20M6338+25#21613#21588
20M → 21M1684+164#21588#21424
21M → 35K2659-33#21424#21457
35K → 23M5464-10#21457#21467
23M → 24M2280+228#21467#21239
24M → 40K1351+134#21239#21105
40K → 25.2M901+89#21105#21016
25.2M → Finish2170+217#21016#20799
TOTALS14801953-473
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing